Question

Pada suhu 27°C dan tekanan 38 cmHg ,volume 1,6 gr gas SO3 (Mr=80 gr/mol)adalah.....

Answer 1

T = 27 C = 300 K
P = 38 cmHg = 0,5 atm
m SO3 = 1,6 gram
Mr SO3 = 80

mol SO3 = 1,6 / 80 = 0,02 mol
volume SO3 = 0,02 mol x 0,082 x 300 K / 0,5 atm = 0,984 L = 984 mL